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Study of cutaneous cell carcinomas ex vivo using ultrasound biomicroscopic images.

机译:使用超声生物显微图像离体研究皮肤细胞癌。

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摘要

BACKGROUND: The ultrasound biomicroscopy (UBM) technique generates high-resolution echographic images using acoustic frequencies between 20 and 200 MHz. In dermatology, it enables non-invasive visualization of cutaneous structures. In this sense, several studies are being conducted for the measurement of cutaneous tumor sizes and for the evaluation of their response to therapeutic procedures. The present work was conducted to analyze the ability of UBM to identify diverse histological structures associated with cutaneous carcinomas ex vivo regarding the evaluation of the technique as a diagnostic tool that could, eventually, improve the patient's healthcare protocol. METHODS: Ex vivo human tissue samples, corresponding to basal cell carcinoma and squamous cell carcinoma cases, were studied. The ultrasonic system operated with a center frequency of 45MHz and the histological structures were identified by comparison with the light microscopy images. RESULTS: The histological components present in the tumors were identified by variations in the echogenicity level for several of the studied cases and particular characteristics were observed for the different tumor types. CONCLUSION: The possibility of differentiating the histological components associated with cutaneous carcinomas indicates the potential use of UBM for diagnostic applications. However, a larger number of specimens must be studied.
机译:背景:超声生物显微镜(UBM)技术使用20至200 MHz之间的声频生成高分辨率回波图像。在皮肤病学中,它可以无创地显示皮肤结构。从这个意义上讲,正在进行一些研究,以测量皮肤肿瘤的大小并评估其对治疗程序的反应。进行本工作以分析UBM鉴定离体与皮肤癌相关的多种组织学结构的能力,并将该技术作为一种诊断工具进行评估,最终可以改善患者的医疗保健方案。方法:研究了离体人体组织样本,分别对应于基底细胞癌和鳞状细胞癌病例。超声系统以45MHz的中心频率运行,并通过与光学显微镜图像比较来识别组织学结构。结果:通过研究的一些病例的回声水平的变化来鉴定肿瘤中存在的组织学成分,并观察到不同肿瘤类型的特殊特征。结论:区分与皮肤癌相关的组织学成分的可能性表明UBM在诊断应用中的潜在用途。但是,必须研究更多的标本。

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